265068 2023-11-17 13:46:42 -0800 REGRESSION (270199@main?): [ iOS Debug ] ASSERTION FAILED: _maximumUnobscuredSizeOverride in TestWebKitAPI.WKWebViewCloseAllMediaPresentations.ElementFullscreen result of constant crash 2023-12-14 10:37:22 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 darbinyan webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1993582 0 darbinyan 2023-11-17 13:46:42 -0800 Description: TestWebKitAPI.WKWebViewCloseAllMediaPresentations.ElementFullscreen is constantly crashing on iOS Debug ToT. The possible culprit change is in the following range: https://commits.webkit.org/compare/270197@main...270206@main Suspecting 270199@main. History: https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.WKWebViewCloseAllMediaPresentations.ElementFullscreen Result: TestWebKitAPI.WKWebViewCloseAllMediaPresentations.ElementFullscreen 2023-11-17 05:08:12.972 TestWebKitAPI[36787:69771339] <CATransformLayer: 0x600003100f20> - changing property masksToBounds in transform-only layer, will have no effect 2023-11-17 05:08:12.976 TestWebKitAPI[36787:69771339] <CATransformLayer: 0x60000315bca0> - changing property masksToBounds in transform-only layer, will have no effect ASSERTION FAILED: _maximumUnobscuredSizeOverride /Volumes/Data/worker/Apple-iOS-17-Simulator-Debug-Build/build/Source/WebKit/UIProcess/API/ios/WKWebViewIOS.mm(3571) : -[WKWebView(WKPrivateIOS) _maximumUnobscuredSizeOverride] 1 0x11a62ec7c WTFCrash 2 0x147232390 std::__1::__optional_move_base<unsigned long long, true>::__optional_move_base() 3 0x148829e40 -[WKWebView(WKPrivateIOS) _maximumUnobscuredSizeOverride] 4 0x148c83ebc WebKit::WKWebViewState::store(WKWebView*) 5 0x148c83334 -[WKFullScreenWindowController enterFullScreen:] 6 0x148b77ad8 WebKit::PageClientImpl::enterFullScreen(WebCore::FloatSize) 7 0x148e67768 WebKit::WebFullScreenManagerProxy::enterFullScreen(bool, bool, WebCore::FloatSize) 8 0x149d9d360 auto void IPC::callMemberFunction<WebKit::WebFullScreenManagerProxy, WebKit::WebFullScreenManagerProxy, void (bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>>(WebKit::WebFullScreenManagerProxy*, void (WebKit::WebFullScreenManagerProxy::*)(bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>&&)::'lambda'(auto&&...)::operator()<bool, bool, WebCore::FloatSize>(auto&&...) const 9 0x149d9d234 decltype(std::declval<WebKit::WebFullScreenManagerProxy>()(std::declval<bool>(), std::declval<bool>(), std::declval<WebCore::FloatSize>())) std::__1::__invoke[abi:v160006]<void IPC::callMemberFunction<WebKit::WebFullScreenManagerProxy, WebKit::WebFullScreenManagerProxy, void (bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>>(WebKit::WebFullScreenManagerProxy*, void (WebKit::WebFullScreenManagerProxy::*)(bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>&&)::'lambda'(auto&&...), bool, bool, WebCore::FloatSize>(WebKit::WebFullScreenManagerProxy&&, bool&&, bool&&, WebCore::FloatSize&&) 10 0x149d9d1f8 decltype(auto) std::__1::__apply_tuple_impl[abi:v160006]<void IPC::callMemberFunction<WebKit::WebFullScreenManagerProxy, WebKit::WebFullScreenManagerProxy, void (bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>>(WebKit::WebFullScreenManagerProxy*, void (WebKit::WebFullScreenManagerProxy::*)(bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>&&)::'lambda'(auto&&...), std::__1::tuple<bool, bool, WebCore::FloatSize>, 0ul, 1ul, 2ul>(WebKit::WebFullScreenManagerProxy&&, WebKit::WebFullScreenManagerProxy&&, std::__1::__tuple_indices<0ul, 1ul, 2ul>) 11 0x149d9d19c decltype(auto) std::__1::apply[abi:v160006]<void IPC::callMemberFunction<WebKit::WebFullScreenManagerProxy, WebKit::WebFullScreenManagerProxy, void (bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>>(WebKit::WebFullScreenManagerProxy*, void (WebKit::WebFullScreenManagerProxy::*)(bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>&&)::'lambda'(auto&&...), std::__1::tuple<bool, bool, WebCore::FloatSize>>(WebKit::WebFullScreenManagerProxy&&, WebKit::WebFullScreenManagerProxy&&) 12 0x149d9c6e0 void IPC::callMemberFunction<WebKit::WebFullScreenManagerProxy, WebKit::WebFullScreenManagerProxy, void (bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>>(WebKit::WebFullScreenManagerProxy*, void (WebKit::WebFullScreenManagerProxy::*)(bool, bool, WebCore::FloatSize), std::__1::tuple<bool, bool, WebCore::FloatSize>&&) 13 0x149d9b650 void IPC::handleMessage<Messages::WebFullScreenManagerProxy::EnterFullScreen, WebKit::WebFullScreenManagerProxy, WebKit::WebFullScreenManagerProxy, void (bool, bool, WebCore::FloatSize)>(IPC::Connection&, IPC::Decoder&, WebKit::WebFullScreenManagerProxy*, void (WebKit::WebFullScreenManagerProxy::*)(bool, bool, WebCore::FloatSize)) 14 0x149d9b3a8 WebKit::WebFullScreenManagerProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 15 0x14a48224c IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) 16 0x148ccb7c8 WebKit::AuxiliaryProcessProxy::dispatchMessage(IPC::Connection&, IPC::Decoder&) 17 0x14903086c WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 18 0x14a45824c IPC::Connection::dispatchMessage(IPC::Decoder&) 19 0x14a458680 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>) 20 0x14a458cdc IPC::Connection::dispatchIncomingMessages() 21 0x14a4752fc IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)::$_16::operator()() const 22 0x14a475258 WTF::Detail::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder>>)::$_16, void>::call() 23 0x11a657500 WTF::Function<void ()>::operator()() const 24 0x11a6ed6a0 WTF::RunLoop::performWork() 25 0x11a6f1bb4 WTF::RunLoop::performWork(void*) 26 0x1096a169c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 27 0x1096a15e4 __CFRunLoopDoSource0 28 0x1096a0d54 __CFRunLoopDoSources0 29 0x10969b43c __CFRunLoopRun 30 0x10969ad28 CFRunLoopRunSpecific 31 0x114620a98 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] Child process terminated with signal 11: Segmentation fault 1993584 1 webkit-bug-importer 2023-11-17 13:47:56 -0800 <rdar://problem/118579209> 1999380 2 ews-feeder 2023-12-13 13:37:05 -0800 Test gardening commit 272001@main (1f550dd5c82d): <https://commits.webkit.org/272001@main> Reviewed commits have been landed. Closing PR #21756 and removing active labels. 1999640 3 ews-feeder 2023-12-14 10:37:19 -0800 Committed 272056@main (4893ab05c93b): <https://commits.webkit.org/272056@main> Reviewed commits have been landed. Closing PR #21772 and removing active labels.